this is a great idea for those Admin users who want to restrict the common users to shutdown public computer in common areas. You can disable the "Turn off Computer" option on the start menu and a common user will not "Turn Off, Restart and Stand By" a computer.
so here we go
You will need to be logged into your computer with administrative rights.
LOcate HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\Explorer in your registry editor.
On right side panel, right click to create a new DWORD value with the name NoClose.
Done restart your computer and see the changes.
Note( if you want to enable "Turn Off Computer" option in start menu simply change the value of data box to 0 or delete NoClose DWORD item.)
Tuesday, July 14, 2009
Youtube URL tricks
Instead of just searching and playing on youtube, here are some top Youtube URL tricks that you should know about :
View high quality videos
Youtube gives you the option to switch to high quality videos for some of the videos, however you can check if a video is available in high quality format by appending ‘&fmt=18′(stereo, 480 x 270 resolution) or ‘&fmt=22′(stereo, 1280 x 720 resolution) for even higher quality.
Embed Higher Quality Videos
While the above trick works for playback, if however you want to embed hig quality videos you need to append “&ap=%2526fmt%3D18″ and “&ap=%2526fmt%3D22″ to the embed url.
Cut the chase and link to the interesting part
Linking to a video where the real action starts at 3 minutes 22 seconds, wondered if you could make it start at 03:22? You are in luck. All you have to do is add #t=03m22s (#t=XXmYYs for XX mins and YY seconds) to the end of the URL.
Hide the search box
The search box appears when you hover over an embedded video. To hide the search box add ‘&showsearch=0′ to the embed url.
Embed only a part of Video
Just append ‘&start=30′ to skip first 30s of the video. In general you can modify the value after start= to the number of seconds you want to skip the video for.
View high quality videos
Youtube gives you the option to switch to high quality videos for some of the videos, however you can check if a video is available in high quality format by appending ‘&fmt=18′(stereo, 480 x 270 resolution) or ‘&fmt=22′(stereo, 1280 x 720 resolution) for even higher quality.
Embed Higher Quality Videos
While the above trick works for playback, if however you want to embed hig quality videos you need to append “&ap=%2526fmt%3D18″ and “&ap=%2526fmt%3D22″ to the embed url.
Cut the chase and link to the interesting part
Linking to a video where the real action starts at 3 minutes 22 seconds, wondered if you could make it start at 03:22? You are in luck. All you have to do is add #t=03m22s (#t=XXmYYs for XX mins and YY seconds) to the end of the URL.
Hide the search box
The search box appears when you hover over an embedded video. To hide the search box add ‘&showsearch=0′ to the embed url.
Embed only a part of Video
Just append ‘&start=30′ to skip first 30s of the video. In general you can modify the value after start= to the number of seconds you want to skip the video for.
Monday, July 13, 2009
TCP/IP Addressing
This article goes in depth on
MAC Address - Review
A
Clue: Think of a MAC address like a person's diver's license number, it is just a number that is unique from anyone else's. Now think of an
Enter the IP address
The IP address provides the grouping capability that MAC addresses do not. An IP address not only provides a grouping hierarchy but can be freely assigned and moved from one host to another. This grouping capability allows a host to differentiate local computers and distant ones so that communication to a host that is local could be direct and communication to a distant host could be efficiently routed.
Big Picture
Ok that is a quick discussion of why you need TCP/IP and its routing capabilities. Here is the real meat: TCP/IP addressing is actually in
I highly recommend that you brush up on binary before going any further. Make sure you can convert between decimal and binary numbers. Once again, refer to our tutorial on binary.
The Internet before subnet masks
Early on, to get IP address space on the Internet you were assigned a class A, B, or C block of addresses. A class A block was an address similar to: 124.xxx.xxx.xxx Where the Xs are address numbers between 0 and 255.
Since each segment of an IP address is 8 bits long, and there are 4 segments, it takes 32 bits to make up a whole IP address. From the example above, we can calculate the total number of
| Class | Address Range | Total Hosts | Number of blocks |
| A | 0-127.XXX.XXX.XXX | 16.7 Million | 128 |
| B | 128.0.0.0- 191.255.255.255 | 65.5 Thousand | 16,384 |
| C | 192.0.0.0- 223.255.255.255 | 256 | 2 million |
| D & E | 224.0.0.0- 255.255.255.255 | N/A | N/A |
I also listed the Classes D & E which are out of the scope of this article. Class D networks are for
There is something significant about the addresses for a Class A, B, and C Block. If you were to convert the decimal value of each class to binary you can see that there is a pattern in the most significant bits. See table below:
| Class | First 4 bits |
| A | 0XX |
| B | 10X |
| C | 110 |
Although this pattern made it immediately obvious to routers what type of address block they were dealing with, it was also very innefficient with the address space.
Enter the Subnet Mask
Similar to the first 3 bits of an IP address that make a class, the subnet mask is now used instead to determine the size of an address block. Most people are familiar with an address followed by a subnet mask of 255.255.255.0 Calculated out, this subnet mask allows for up to 254 hosts. So if the address of a computer is 63.26.15.5 and the subnet mask is 255.255.255.0 there are 253 other addresses on this network block ranging from 63.26.15.1 - 63.26.15.254 (the .0 and .255 addresses are reserved and cannot be asigned to a network host).
From this a newbie can easily surmise that an address of 45.52.75.10 with a subnet mask of 255.255.0.0 allows for 256 times 256 minus 2 addresses (65,534 addresses). These addresses range from 45.52.0.1 to 45.52.255.254 Again we subtract two from the total number because of those two reserved addresses that are at the beginning and end of the block.
Clue: Determining the number of hosts in your subnet is always done by caculating the number of bits used for the host address (there are 8 bits for a mask of 255.255.255.0 for example). Set 2 to the Nth power where N is the total number of host addrress bits, then subtract 2.
In other words (2^8) - 2=254.
Clue: All address blocks (subnets) will be 2 less of each power of 2: 6, 14, 30, 62, 126, 254..... That is because in each address block we must reserve space for a
Unfortunately if you leave yourself with only the ability to declare subnet masks using the number 255 or 0 you have very few options. The smallest subnet you know how to make is 254 hosts. The next article is where the real lesson begins!
However, if you are not up to learning how to calculate your own masks, we have also provided a subnet mask reference table. Just be warned that we will take to responsibility for your sleepless nights as you ponder how a subnet mask actually works.
Calculating Subnet Masks
Subnet Masks in Binary
The easiest way to explain a subnet mask is by looking at the IP address and subnet mask in its binary format. Before you continue, be sure you have a good grip on counting with binary, we have provided a quick binary primer if you need a refresher. If you do not care for the intricasies of calculating a subnet mask and just need to know the correct mask for your situation, we have provided a reference table.
Not to mention you should already be familiar with the IP address. This article explains the basic use of an IP address and why we need a subnet mask.
A regular IP address when converted to binary is 32 bits in length, each segment being 8 bits long. Refer to our first address example of 63.26.15.5 with a subnet mask of 255.255.255.0 in binary.
Network and Host Addresses
In this example, it is only the last segment that changes from one host to another; this last segment is known as the host address; the first 3 segments, for this example, make up the network address. If we were to use an address with a subnet mask of 255.255.0.0 then the first 2 segments would make up the network address and the last two would be the host address. This is the kind of effect the subnet mask has on your IP address. It determines how big your network group is.
With that said, to go into any deeper detail we must look at the addressing in binary. Since we are just dealing with 32 binary bits we can stop grouping them in sets of 8 bits per segment and deal with them as a 32 bit string. Now when you create a mask, it does not have to be limited to groups of 8 bits (and it can have man more values than 255 or 0). These are called Variable Length Subnet Masks (VLSMs). By calculating out your VLSM you can create any block of IP addresses in sizes of powers of 2 minus 2.
For example, We can create a mask that only allows for 14 hosts (remember 14 hosts is 2 to the power of 4 then we subtract 2). Knowing that it is 2 to the power of 4, we know that we have an address block (subnet) with 4 bits for the hosts. That leaves a remaining 28 bits for the network address, also known as a /28. Now that we know the size of the network block we want (14 hosts) let's calculate the subnet mask that we would use for a /28 network.
CLUE: A block of IP addresses is referred to as a subnet. Because of this that is how subnet masks got their name,they are key into declaring how large a subnet actually is.
First map out your binary numbers again and keep them in groups of 8 bits each. That makes it easy to get the decimal number for each segment. Since our network size is 28 bits long we represent that with a string of 28 1s and the remainings 4 bits as 0s. So the first 3 segments (of 8 bits each) are all 1s. The decimal equivalent of an 8 bit segment of all 1s is 255. So the first 3 segments are 255. That leaves us with 4 bits left in the mask for the last segment. It will look something like this:
128 64 32 16 8 4 2 1
1 1 1 1 0 0 0 0
To make it easy, we have included a subnet mask calculator. This calculator converts decimal IP addresses and Subnet Masks. You can also optionally enter a destination IP address to see the results.
Add up the bits that are flagged with a one and we see that the last segment of the subnet mask with 14 hosts ( 16 - 2 ) is 240. For a subnet mask of 255.255.255.240 That is pretty much it with creating subnet masks, but now you need to learn a new rule about addressing.
IP Addresses with VLSMs
When you use a subnet mask of 255.255.255.192 what you have essentially done is divided up your last segment into 4 blocks (subnets). Using the binary of the last segment we can see our subnet mask only uses the first 2 most significant bits. Recall that the network address is made up from all the bits that line up with the 1s in the subnet mask. So in this case the network address 'overflows' into the last segment because it has two bits available in the last segment. The host address has the last 6 bits in the last segment. Let's see what this subnet masks looks like:
128 64 32 16 8 4 2 1
1 1 0 0 0 0 0 0
First lets say we have a network subnet of 10.10.10.X and we are using the same subnet mask 255.255.255.192 Our network host (HOST1) is currently using the address 10.10.10.75 Now lets display the binary of the last segment for both the subnet mask and the address of our host.
|
128 64|32 16 8 4 2 1
SM 1 1| 0 0 0 0 0 0
HOST1 0 1| 0 0 1 0 1 1
|
Network Host
Notice the bar I drew in that divides the bits of the last segment. The last 6 bits on right are the host bits, we know this because it matches up with all the 0s in the subnet masks. Fromt he same logic we know about all the bits for the entwork masks because of the same reason, the network address matches up with all the 1s in the subnet mask.
So let's calculate the first and last addresses that can exist on the subnet of HOST1. To do this, that the ful address of the host and make the host side all 0s and do it again with all 1s. Look at the example:
|
128 64|32 16 8 4 2 1
SM 1 1| 0 0 0 0 0 0=192
HOST1 0 1| 0 0 1 0 1 1=75
0s 0 1| 0 0 0 0 0 0=64
1s 0 1| 1 1 1 1 1 1=127
|
Network Host
The valid host addresses in the same subnet as our sample host are in the range of 10.10.10.64 - 10.10.10.127
Notice how there is specific requirements of the available addresses in the subnet.
So why doesn't a host with the IP address of 10.10.10.33 and SM 255.255.255.192 (HOST2) see HOST1 as a local computer?
Let's display all the data in binary:
|
128 64|32 16 8 4 2 1
SM 1 1| 0 0 0 0 0 0=192
HOST1 0 1| 0 0 1 0 1 1=75
HOST2 0 0| 1 0 0 0 0 1=33
|
Network Host
Look at the first 2 bits in the network section of the each host. HOST1 and HOST2 have DIFFERENT network addresses! So a subnet mask plays a much more complicated role than just declaring the size of a subnet. It also limits that addresses you can use in a subnet. In our last example we noticed that a subnet mask of 255.255.255.192 will create a subnet of 64 addresses (for 62 hosts). But if you tried to start the addressing at 10.10.10.32 - 10.10.10.95 what actually happens is that your subnet overlapps into two separate subnets. Just do the calculations and you will see (just as I displayed above) that the network addresses of the first 32 hosts in the invalid subnet will have a different network address than the last 32 hosts in the invalid subnet.
Application
Learing how to create and declare subnet masks is not only useful for the technicians of ISPs who are assigning subnets to their customers. Using subnet masks is also key for firewalls and access lists. If you group IP addresses together based on host type (such as assigning all the workstations the addresses 10.10.10.128 - 10.10.10.254 and the servers the addresses 10.10.10.1 - 10.10.10.127) but use the subnet mask 255.255.255.0 (so that the hosts will communicate directly) you can then use masking as a way to apply different access rules with your firewall without having to specify each IP address individually.
Windows XP/2000 Commands & Tools
Here's the ultimate
- at (windows XP/2000)
Scheduling utility. - bootcfg (XP only)
This utility allows you to set up your boot options, such as your default OS and other loading options. - cacls (XP, 2000, & NT4.0)
Changes the ACLs (security Settings) of files and folders. Very similar to chmod in Linux. - comp (XP & 2000)
This utility is very similar to diff in Linux. Use the /? switch to get examples of command usage. - contig (works with NT4.0 and newer)
A great defrag utility for NTFS partitions. - control (XP only) - unpublished!
Allows you to launchcontrol panel applets from the command line. control userpasswords2, for example will launch a helpful local user admin utility. - defrag (XP only - NT4.0 and Win2k use contig)
Yes, XP comes with a command line disk defrag utility. If you are running Win2k or NT4.0 there is still hope. Contig is a free defrag program that I describe on the defrag page. - diskpart (XP only)
Use this command to manage your disk partitions. This is the text version for the GUI Disk Manager. - driverquery (XP only)
Produces a list of drivers, their properties, and their versions. Great for computer documentation. - eudcedit (XP only) - unpublished!
- findstr
Find String - similar to Linux's Grep. - fsutil (XP only) - unpublished!
This is a utility with a lot of capability. Come back soon for great examples. - getmac (XP & 2000)
This command gets the Media Access Control (MAC) address of your network cards. - gpresult (XP & 2000)
This generates a summary of the user settings and computer group policy settings. - gpupdate (XP only)
Use this utility to manually apply computer and user policy from your windows 2000 (or newer) domain. - ipconfig (XP, 2000 & NT4.0)
This handy tool displays IP settings of the current computer and much more. - MMC (XP, 2000 & NT4.0) - Microsoft Management Console
This is the master tool for Windows, it is the main interface in which all other tools use starting primarily in Windows 2000 and newer systems. - more
Utility used to display text output one screen at a time. Ex. more c:\windows\win.ini - msconfig (XP only)
The ultimate tool to change the services and utilities that start when your Windows machine boots up. You can also copy the executable from XP and use it in Win2k. - msinfo32 (XP &smp; 2000)
An awesome diagnostic tool. With it you can get a list of running processes, including the residing path of the executable (great for manually removingmalware ) and get detailed information about hardware andsystem diagnostics . - narrator (XP only)
Turns on the system narrator (can also be found in accessibility options in control panel). Will will allow your computer to dictate text to you. - netsh (XP & 2000)
A network configuration tool console. At the 'netsh>' prompt, use the '?' to list the available commands and type "exit" to get back to a command prompt. - netstat (XP)
A local network port tool - try netstat -ano. - nslookup (all)
A DNS name resolution tool. - openfiles (XP Only)
Allows an administrator to display or disconnect open files in XP professional. Type "openfiles /?" for a list of possible parameters. - Pathping (XP & 2000)
A cross between the ping and traceroute utilities. Who needs Neotrace when you can use this? Type "pathping <ip address >" and watch it go. - recover (XP & 2000)
This command can recover readable information from a damaged disk and is very easy to use. - reg (XP & 2000)
A consoleregistry tool , great forscripting Registry edits. - sc (XP & 2000)
A command line utility called the Service Controller. A power tool to make service changes via alogon /logoff or startup/shutdown script. - schtasks (XP only)
A newer version of the AT command. This allows an administrator to schedule and manage scheduled tasks on a local and remote machines. - secedit (XP & 2000)
Use this utility to manually apply computer and user policy from your windows 2000 (or newer) domain. Example to update the machine policy: secedit /refreshpolicy machine_policy /enforce
To view help on this, just type secedit.
NOTE: In Windows XP SP1 and news, this command is superceded by: gpupdate /force - sfc (XP & 2000)
The system file checker scans important system files and replaces the ones you (or your applications) hacked beyond repair with the real, official Microsoft versions. - shutdown (XP & 2000)
With this tool, You can shut down or restart your own computer, or an administrator can shut down or restart a remote computer. - sigverif (XP only)
Microsoft has created driver signatures. A signed driver is Microsoft tested and approved. With the sigverif tool you can have all driver files analyzed to verify that they are digitally signed. Just type 'sigverif' at the command prompt. - systeminfo (XP only)
Basic system configuration information, such as the system type, the processor type, time zone,virtual memory settings, system uptime, and much more. This program is great for creating an inventory of computers on your network. - sysedit (XP/2000)
System Configuration File Editor. An old tool that was very handy for the Windows 9X days. msconfig is what you want to use now. - tasklist (XP pro only)
Tasklist is the command console equivalent to the task manager in windows. It is a must have when fighting scumware and viruses. Try the command:
tasklist /svc
to view the memory resources your services take up. - taskkill (XP only)
Taskkill contains the rest of the task manager functionality. It allows you to kill those unneeded or locked up applications. - tree (XP & 2000)
An amazing experience everyone should try! This command will provide a 'family tree' style display of the drive/folder you specify. - WMIC (XP & 2000)
Windows Management Instrumentation Command tool. This allows you to pull an amazing amount of low-level system information from a command line scripting interface.
Private Character editor. Yes with this program built into Windows XP you can create your own font!
An A-Z Index of the Windows XP command line
ADDUSERS Add or list users to/from a CSV file
ARP Address Resolution Protocol
ASSOC Change file extension associations•
ASSOCIAT One step file association
AT Schedule a command to run at a later time
ATTRIB Change file attributes
b
BOOTCFG Edit Windows boot settings
BROWSTAT Get domain, browser and PDC info
c
CACLS Change file permissions
CALL Call one batch program from another•
CD Change Directory - move to a specific Folder•
CHANGE Change Terminal Server Session properties
CHKDSK Check Disk - check and repair disk problems
CHKNTFS Check the NTFS file system
CHOICE Accept keyboard input to a batch file
CIPHER Encrypt or Decrypt files/folders
CleanMgr Automated cleanup of Temp files, recycle bin
CLEARMEM Clear memory leaks
CLIP Copy STDIN to the Windows clipboard.
CLS Clear the screen•
CLUSTER Windows Clustering
CMD Start a new CMD shell
COLOR Change colors of the CMD window•
COMP Compare the contents of two files or sets of files
COMPACT Compress files or folders on an NTFS partition
COMPRESS Compress individual files on an NTFS partition
CON2PRT Connect or disconnect a Printer
CONVERT Convert a FAT drive to NTFS.
COPY Copy one or more files to another location•
CSCcmd Client-side caching (Offline Files)
CSVDE Import or Export Active Directory data
d
DATE Display or set the date•
DEFRAG Defragment hard drive
DEL Delete one or more files•
DELPROF Delete NT user profiles
DELTREE Delete a folder and all subfolders
DevCon Device Manager Command Line Utility
DIR Display a list of files and folders•
DIRUSE Display disk usage
DISKCOMP Compare the contents of two floppy disks
DISKCOPY Copy the contents of one floppy disk to another
DISKPART Disk Administration
DNSSTAT DNS Statistics
DOSKEY Edit command line, recall commands, and create macros
DSADD Add user (computer, group..) to active directory
DSQUERY List items in active directory
DSMOD Modify user (computer, group..) in active directory
DSRM Remove items from Active Directory
e
ECHO Display message on screen•
ENDLOCAL End localisation of environment changes in a batch file•
ERASE Delete one or more files•
EXIT Quit the current script/routine and set an errorlevel•
EXPAND Uncompress files
EXTRACT Uncompress CAB files
f
FC Compare two files
FIND Search for a text string in a file
FINDSTR Search for strings in files
FOR /F Loop command: against a set of files•
FOR /F Loop command: against the results of another command•
FOR Loop command: all options Files, Directory, List•
FORFILES Batch process multiple files
FORMAT Format a disk
FREEDISK Check free disk space (in bytes)
FSUTIL File and Volume utilities
FTP File Transfer Protocol
FTYPE Display or modify file types used in file extension associations•
g
GLOBAL Display membership of global groups
GOTO Direct a batch program to jump to a labelled line•
h
HELP Online Help
i
iCACLS Change file and folder permissions
IF Conditionally perform a command•
IFMEMBER Is the current user in an NT Workgroup
IPCONFIG Configure IP
k
KILL Remove a program from memory
l
LABEL Edit a disk label
LOCAL Display membership of local groups
LOGEVENT Write text to the NT event viewer.
LOGOFF Log a user off
LOGTIME Log the date and time in a file
m
MAPISEND Send email from the command line
MBSAcli Baseline Security Analyzer.
MEM Display memory usage
MD Create new folders•
MKLINK Create a symbolic link (linkd)
MODE Configure a system device
MORE Display output, one screen at a time
MOUNTVOL Manage a volume mount point
MOVE Move files from one folder to another•
MOVEUSER Move a user from one domain to another
MSG Send a message
MSIEXEC Microsoft Windows Installer
MSINFO Windows NT diagnostics
MSTSC Terminal Server Connection (Remote Desktop Protocol)
MUNGE Find and Replace text within file(s)
MV Copy in-use files
n
NET Manage network resources
NETDOM Domain Manager
NETSH Configure network protocols
NETSVC Command-line Service Controller
NBTSTAT Display networking statistics (NetBIOS over TCP/IP)
NETSTAT Display networking statistics (TCP/IP)
NOW Display the current Date and Time
NSLOOKUP Name server lookup
NTBACKUP Backup folders to tape
NTRIGHTS Edit user account rights
p
PATH Display or set a search path for executable files•
PATHPING Trace route plus network latency and packet loss
PAUSE Suspend processing of a batch file and display a message•
PERMS Show permissions for a user
PERFMON Performance Monitor
PING Test a network connection
POPD Restore the previous value of the current directory saved by PUSHD•
PORTQRY Display the status of ports and services
POWERCFG Configure power settings
PRINT Print a text file
PRNCNFG Display, configure or rename a printer
PRNMNGR Add, delete, list printers set the default printer
PROMPT Change the command prompt•
PsExec Execute process remotely
PsFile Show files opened remotely
PsGetSid Display the SID of a computer or a user
PsInfo List information about a system
PsKill Kill processes by name or process ID
PsList List detailed information about processes
PsLoggedOn Who's logged on (locally or via resource sharing)
PsLogList Event log records
PsPasswd Change account password
PsService View and control services
PsShutdown Shutdown or reboot a computer
PsSuspend Suspend processes
PUSHD Save and then change the current directory•
q
QGREP Search file(s) for lines that match a given pattern.
r
RASDIAL Manage RAS connections
RASPHONE Manage RAS connections
RECOVER Recover a damaged file from a defective disk.
REG Registry: Read, Set, Export, Delete keys and values
REGEDIT Import or export registry settings
REGSVR32 Register or unregister a DLL
REGINI Change Registry Permissions
REM Record comments (remarks) in a batch file•
REN Rename a file or files•
REPLACE Replace or update one file with another
RD Delete folder(s)•
RMTSHARE Share a folder or a printer
ROBOCOPY Robust File and Folder Copy
ROUTE Manipulate network routing tables
RUNAS Execute a program under a different user account
RUNDLL32 Run a DLL command (add/remove print connections)
s
SC Service Control
SCHTASKS Create or Edit Scheduled Tasks
SCLIST Display NT Services
SET Display, set, or remove environment variables•
SETLOCAL Control the visibility of environment variables•
SETX Set environment variables permanently
SHARE List or edit a file share or print share
SHIFT Shift the position of replaceable parameters in a batch file•
SHORTCUT Create a windows shortcut (.LNK file)
SHOWGRPS List the NT Workgroups a user has joined
SHOWMBRS List the Users who are members of a Workgroup
SHUTDOWN Shutdown the computer
SLEEP Wait for x seconds
SLMGR Software Licensing Management (Vista/2008)
SOON Schedule a command to run in the near future
SORT Sort input
START Start a program or command in a separate window•
SU Switch User
SUBINACL Edit file and folder Permissions, Ownership and Domain
SUBST Associate a path with a drive letter
SYSTEMINFO List system configuration
t
TASKLIST List running applications and services
TASKKILL Remove a running process from memory
TIME Display or set the system time•
TIMEOUT Delay processing of a batch file
TITLE Set the window title for a CMD.EXE session•
TLIST Task list with full path
TOUCH Change file timestamps
TRACERT Trace route to a remote host
TREE Graphical display of folder structure
TYPE Display the contents of a text file•
u
USRSTAT List domain usernames and last login
v
VER Display version information•
VERIFY Verify that files have been saved•
VOL Display a disk label•
w
WHERE Locate and display files in a directory tree
WHOAMI Output the current UserName and domain
WINDIFF Compare the contents of two files or sets of files
WINMSD Windows system diagnostics
WINMSDP Windows system diagnostics II
WMIC WMI Commands
x
XCACLS Change file and folder permissions
XCOPY Copy files and folders
:: Comment / Remark•
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